{
    "region": [
        "Europe",
        "Americas",
        "Asia",
        "Africa",
        "Oceania"
    ],
    "country": [
        "Russian Empire",
        "Russian Republic",
        "Russia",
        "RSFSR",
        "USSR"
    ],
    "cancellation": [
        "MNH original glue",
        "MHG without glue",
        "MH with sticker",
        "MVLH with trace of a sticker",
        "CTO philatelic cancellation",
        "CTO cancellation of the first day",
        "CTO special cancellation",
        "CTO typographic cancellation",
        "U calendar postmark",
        "U calendar and mute postmark",
        "U calendar and numeric postmark",
        "U mute postmark",
        "U numeric postmark",
        "U dot postmark",
        "U color calendar postmark",
        "U color dot postmark",
        "U pre-stamp postmark",
        "U special postmark",
        "U cancellation with a pen",
        "U cancellation with a pen and postmark",
        "U cancellation by breakdown"
    ],
    "currency": [
        "Kopеck",
        "Rublе",
        "Cent",
        "Dollar",
        "Eurocent",
        "Euro"
    ],
    "perforation": [
        "Without perforation",
        "Comb",
        "Line",
        "Frame",
        "Decorative",
        "Combined",
        "Complex-combined",
        "Island",
        "Die cut"
    ],
    "printing": [
        "Autotype",
        "Gravure printing",
        "Gravure printing with varnishing",
        "Gravure printing with gold paste",
        "Gravure printing with silver paste",
        "Gravure printing with varnishing and gold paste",
        "Gravure printing with varnishing and silver paste",
        "Gravure printing and metallography",
        "Gravure printing and metallography with gold paste",
        "Gravure printing and metallography with silver paste",
        "Gravure printing and metallography with congreve embossing",
        "Gravure printing and typoography",
        "Woodcut",
        "Lenticular",
        "Linocut",
        "Lithography",
        "Metallography",
        "Metallography with deep tone printing",
        "Ofset",
        "Ofset and metallography",
        "Ofset with die-cut",
        "Ofset with protective complex",
        "Ofset with gold matte foil",
        "Ofset with gold paste",
        "Ofset with varnishing",
        "Ofset with varnishing and gold paste",
        "Ofset with varnishing and silver paste",
        "Ofset with partial varnishing",
        "Ofset with congreve embossing",
        "Ofset with congreve embossing and gold paste",
        "Ofset with congreve embossing and silver paste",
        "Ofset with silver paste",
        "Ofset with curly cutting",
        "Stereoscopy",
        "Thermography",
        "Typographic",
        "Typographic and deep",
        "Typgraphic with embossing",
        "Facsimile",
        "Photo engraving",
        "Phototype",
        "Phototype and typoography",
        "Zincography"
    ],
    "series": [
        "Issue No. 1",
        "«The gold standard», Issue No. 1",
        "«The gold standard», Issue No. 2",
        "«The gold standard», Issue No. 3",
        "«The gold standard», Issue No. 4",
        "«The gold standard», Issue No. 5",
        "«The gold standard», Issue No. 6",
        "«The gold standard», Issue No. 7",
        "«The gold standard», Issue No. 8",
        "«The gold standard», Issue No. 9",
        "Issue No. 2",
        "Issue No. 3",
        "Issue No. 4",
        "Issue No. 5",
        "Issue No. 6",
        "Issue No. 7",
        "Issue No. 8",
        "Issue No. 9",
        "Issue No. 10",
        "Issue No. 11",
        "Issue No. 12",
        "Issue No. 13",
        "Issue No. 14",
        "Issue No. 15",
        "Issue No. 16",
        "Issue No. 16, Postal-Charity Issue",
        "Issue No. 17",
        "Issue No. 18",
        "Issue No. 19",
        "Issue No. 20, «300th anniversary of the House of Romanov»",
        "Issue No. 21",
        "Issue No. 21, Postal-Charity Issue",
        "Issue No. 22",
        "Issue No. 22, Postal-Charity Issue",
        "Issue No. 23",
        "Issue No. 24 (auxilary release)",
        "Issue No. 25 (auxilary release)",
        "Issue No. 26",
        "Issue No. 27",
        "Re-issue of stamps of 1908-1917",
        "Re-issue of stamps of 1917",
        "Postal-Charity Issue",
        "Auxilary Standart Issue",
        "Definitive Issue",
        "Airmail",
        "Great Patriotic War 1941 - 1945",
        "Leaders of the Communist Party and the Soviet State",
        "Capitals of autonomous soviet socialist republics",
        "Heroes of the Soviet Union",
        "Heroes of the Russian Federation",
        "60 years of autonomous Soviet socialist republics",
        "60 years of the Soviet socialist republics",
        "Orders of the USSR",
        "Orders and medals of the USSR"
    ],
    "theme": [
        "Motor transport",
        "Architecture",
        "Charity",
        "Yang Communist League",
        "Greate October Socialist Revolution",
        "Great Patriotic War",
        "Vladimir Ilyich Lenin",
        "Air transport",
        "Armed Forces",
        "Civil War",
        "Childrens and youth",
        "Railway transport",
        "Painting and sculpture",
        "History",
        "Сomunist party of the Soviet Union",
        "Culture and art",
        "Literature",
        "Medicine",
        "International cooperation",
        "International Communist Movement",
        "Local issues",
        "Sea and river fleet",
        "Music",
        "Awards",
        "Folk art",
        "National economy of the USSR",
        "Science",
        "New Year`s issues",
        "Nationwide issues",
        "Space exploation",
        "Memorable dates",
        "Pioneer organization",
        "Post",
        "Nature",
        "Advertisement",
        "Russian Federation",
        "USSR",
        "Socialist and developing countries",
        "Sport",
        "Standard issues",
        "Theater, film and television",
        "Technic",
        "Tourism",
        "Fauna",
        "Philately",
        "Flora",
        "Economics"
    ],
    "type": [
        "Thematic",
        "Commemorative",
        "Jubilee",
        "Standard",
        "Airmail",
        "Extra charge",
        "Urban",
        "Zemsky",
        "Charity",
        "Control",
        "Fiscal",
        "Telegraph",
        "Court fee",
        "Revenue",
        "Sample",
        "Trial",
        "Essay",
        "Cardmaximum",
        "Envelope",
        "Postcard",
        "Clipping",
        "Non-postal",
        "Advertising",
        "Fake",
        "Fantastic"
    ],
    "format": [
        "Single",
        "Single with coupon",
        "Coupling",
        "Coupling with coupon",
        "Block",
        "Block of four",
        "Block of four with coupon",
        "Pair",
        "Gutter-pair",
        "Kleinbogen",
        "Small sheet",
        "Small sheet with coupons",
        "Combined small sheet",
        "Combined small sheet with coupons",
        "Sheet",
        "Cardmaximum",
        "Souvenir sheet",
        "Tete-beche",
        "Triptych",
        "Vignette"
    ]
}
